Home / 3,122.17-4,679.35-2,008.62

Finding the Fourth Proportional to 3,122.17, 4,679.35 and 2,008.62

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Solution

The fourth proportional to 3,122.17, 4,679.35 and 2,008.62 is: 3,010.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,122.17 : 4,679.35 = 2,008.62 : x
  2. Step 2: Convert to fraction form
    3,122.17/4,679.35 = 2,008.62/x
  3. Step 3: Cross multiply
    3,122.17x = 4,679.35 × 2,008.62
  4. Step 4: Simplify right side
    3,122.17x = 9,399,030.98
  5. Step 5: Solve for x
    x = 9,399,030.98/3,122.17
  6. Step 6: Final answer
    x = 3,010.42

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.